Texas Instruments TMS570LC4357

Instruction Set www.ti.com
1088
SPNU563A–March 2018
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High-End Timer (N2HET) Module
Execution
Z = 0;
If (Angle Count (bit P8 == 1))
{
If (NAF_global == 0)
{
Selected register = immediate data field;
Jump to Next Program Address;
}
else
{
If ((Immediate Data Field + Angle Increment) >= Max count)
{
Z = 1;
Selected register = ((Immediate Data Field + Angle Inc.) - Max count);
Immediate Data Field = ((Immediate Data Field + Angle Inc.) - Max count);
If (Interrupt Enable == 1) HETFLG[n] = 1; /* n depends on address */
If ([C28:C27] == 01) Generate request on request line [P25:P23];
If ([C28:C27] == 11) Generate quiet request on request line [P25:P23];
}
else
{
Selected register = Immediate Data Field + Angle Increment;
Immediate Data Field = Immediate Data Field + Angle Increment;
}
}
}
else if(Time mode (bit P8 == 0))
{
If [(P5==0) AND (Immediate Data Field == Max count)]
OR [(P5==1) AND (Immediate Data Field >= Max count)]
{
Z = 1;
Selected register = 00000;
Immediate Data Field = 00000;
If (Interrupt Enable == 1) HETFLG[n] = 1; /* n depends on address */
If ([C28:C27] == 01) Generate request on request line [P25:P23];
If ([C28:C27] == 11) Generate quiet request on request line [P25:P23];
}
else
{
Selected register = Immediate Data Field + 1;
Immediate Data Field = Immediate Data Field + 1;
}
}
Jump to Next Program Address;
The specific interrupt flag that is triggered depends on the address from which the instruction is executed,
see Section 23.2.7.